US1503600A - Cone timer for internal-combustion engines - Google Patents
Cone timer for internal-combustion engines Download PDFInfo
- Publication number
- US1503600A US1503600A US609435A US60943522A US1503600A US 1503600 A US1503600 A US 1503600A US 609435 A US609435 A US 609435A US 60943522 A US60943522 A US 60943522A US 1503600 A US1503600 A US 1503600A
- Authority
- US
- United States
- Prior art keywords
- timer
- cone
- combustion engines
- internal
- recesses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
Definitions
- My invention relates to a cone shaped timer or commutator for internal combustion engines, and one of the objects of the invention is to provide such a device which on account of its conical shape will give a firm contact between the relatively movable conducting parts and thereby provide a full spark.
- WVhile my invention is of general application and can be applied to any internal combustion engine, it is shown herein in connection with the type used in the Ford automobile.
- the timer which is at present in use on Fords is a four contact one, mounted at the front end of the cam shaft, one contact be-
- the cam shaft carries a revolving roller which completes the circuit through contact segments embedded in a ring of fiber which is retained in the casing. lVith use, the segments become scalloped due to the jumping and wear of the roller, and accordingly a firm contact between the conducting parts is not secured.
- the timer also has a tendency to become gumined up in cold weather leading to further poor contacts.
- Figure 1 is an inside elevation of the timer, the cam shaft being shown in section;
- Fig. 2 is a section on the line 22 of Fig. 1;
- Fig. 3 is a perspective view of the brush plate and brush; a
- Fig. 4 is a section on the line t4 of Fig. 2;
- Fig. 5 is a perspective view of the cone timer removed from the cam shaft.
- 1 is the casing of the timer, and fixedly secured inside of the same is a ring 2 of insulating fiber, in which the plates 3 are held by means of the T head bolts 4, which also serve to conduct the generated current.
- a collar 6 Fixedly mounted on the cam shaft 5 is a collar 6 carrying a cone shaped member 7 made of insulating fiber. Secured in the said collar and cone is a single contact point 8, in permanent conductive contact with the shaft 5 at one end, and from time to time, with the metal brushes 9, at the other extremity.
- Each brush is detachably secured in position to permit of ready replacement of worn out brushes.
- the brushes 9 are detachably and slidably mounted on leaf springs 10 by means of a tongue and groove connection as shown in Fig. I, an abutment 11 carried by the brushes limiting the inward movement thereof.
- the leaf springs and brushes fit into recesses 12 in the fiber ring 2, the plates 3 forming a lining for the recesses.
- One arm of the leaf spring is interposed between the bottom of the plate 3 and the bottom of the recesses 12 and is clamped securely in place by the bolt 4:.
- a cone timer for internal combustion engines comprising a rotary cone shaped member carrying a conducting point, a casing, an insulating ring fitting into the easing and provided with a plurality of radial recesses and leaf springs carrying brushes closely fitting the said recesses.
- a cone timer for internal combustion engines comprising a rotary cone shaped member carrying a conducting point, a casing, an insulating ring fitting into the casing and provided with a plurality of radial recesses, metal plates forming a lining for the said recesses, leaf springs carrying brushes closely fitting the said recesses, headed bolts for securing the leaf springs in position in the said recesses, the said bolts serving to conduct the generated current.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Current Collectors (AREA)
Description
Aug. 5
A. J. SAGER couz'muzn FOR INTERNAL cousus'rzon enemas Filed Doc. 23, 1922 ing provided for each cylinder.
Patented Aug. 5, .1924.
PATENT OFFICE.
ANDREW J. SAGER, OF XVINCI-IESTER, VIRGINIA.
CONE TIMER FOR- INTERNAL-COMBUSTION ENGINES.
Application filed December 28, 1922.
To all whom it may concern Be it known that I, ANDREW J. SAGER, citizen of the United States, residing at IVinchester, in the county of Frederick and State of Virginia, have invented certain new and useful Improvements in Cone Timers for Internal-Combustion Engines, of which the following is a specification.
My invention relates to a cone shaped timer or commutator for internal combustion engines, and one of the objects of the invention is to provide such a device which on account of its conical shape will give a firm contact between the relatively movable conducting parts and thereby provide a full spark.
WVhile my invention is of general application and can be applied to any internal combustion engine, it is shown herein in connection with the type used in the Ford automobile.
The timer which is at present in use on Fords is a four contact one, mounted at the front end of the cam shaft, one contact be- The cam shaft carries a revolving roller which completes the circuit through contact segments embedded in a ring of fiber which is retained in the casing. lVith use, the segments become scalloped due to the jumping and wear of the roller, and accordingly a firm contact between the conducting parts is not secured. The timer also has a tendency to become gumined up in cold weather leading to further poor contacts.
ith the object of overcoming the defects of the customary Ford type of commutator, which become accentuated in operation due to the low tension current employed, I have devised what I designate as a cone timer.
Referring to the drawings for a more complete disclosure of the invention,
Figure 1 is an inside elevation of the timer, the cam shaft being shown in section;
Fig. 2 is a section on the line 22 of Fig. 1;
Fig. 3 is a perspective view of the brush plate and brush; a
Fig. 4 is a section on the line t4 of Fig. 2;
Serial No. 809,435.
Fig. 5 is a perspective view of the cone timer removed from the cam shaft.
In the drawing, 1 is the casing of the timer, and fixedly secured inside of the same is a ring 2 of insulating fiber, in which the plates 3 are held by means of the T head bolts 4, which also serve to conduct the generated current.
Fixedly mounted on the cam shaft 5 is a collar 6 carrying a cone shaped member 7 made of insulating fiber. Secured in the said collar and cone is a single contact point 8, in permanent conductive contact with the shaft 5 at one end, and from time to time, with the metal brushes 9, at the other extremity.
Each brush is detachably secured in position to permit of ready replacement of worn out brushes. The brushes 9 are detachably and slidably mounted on leaf springs 10 by means of a tongue and groove connection as shown in Fig. I, an abutment 11 carried by the brushes limiting the inward movement thereof.
The leaf springs and brushes fit into recesses 12 in the fiber ring 2, the plates 3 forming a lining for the recesses. One arm of the leaf spring is interposed between the bottom of the plate 3 and the bottom of the recesses 12 and is clamped securely in place by the bolt 4:.
By using a cone shaped timer, it will be seen that it can be readily slipped into position. IVith the step of placing it in position, the leaf springs are put under compression so that the brushes are held firmly in contact with the cone 7.
From the above description it will be apparent that I have produced a device of the character enumerated as desirable, and while I have illustrated and described the preferred form of the invention, it will be understood that I reserve the right to all changes falling within the spirit and scope of the appended claims.
lVhat I claim as new and desire to secure by Letters Patent of the United States is:
1. A cone timer for internal combustion engines comprising a rotary cone shaped member carrying a conducting point, a casing, an insulating ring fitting into the easing and provided with a plurality of radial recesses and leaf springs carrying brushes closely fitting the said recesses.
2. A cone timer for internal combustion engines comprising a rotary cone shaped member carrying a conducting point, a casing, an insulating ring fitting into the casing and provided with a plurality of radial recesses, metal plates forming a lining for the said recesses, leaf springs carrying brushes closely fitting the said recesses, headed bolts for securing the leaf springs in position in the said recesses, the said bolts serving to conduct the generated current.
In testimony'whereof I affix my signa ture.
- ANDREW J. SAGER
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US609435A US1503600A (en) | 1922-12-28 | 1922-12-28 | Cone timer for internal-combustion engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US609435A US1503600A (en) | 1922-12-28 | 1922-12-28 | Cone timer for internal-combustion engines |
Publications (1)
Publication Number | Publication Date |
---|---|
US1503600A true US1503600A (en) | 1924-08-05 |
Family
ID=24440788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US609435A Expired - Lifetime US1503600A (en) | 1922-12-28 | 1922-12-28 | Cone timer for internal-combustion engines |
Country Status (1)
Country | Link |
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US (1) | US1503600A (en) |
-
1922
- 1922-12-28 US US609435A patent/US1503600A/en not_active Expired - Lifetime
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